Answer / kiran

if any machine tool is inefficient to work or consuming more
power,change it with energy efficient and economic tool in
technical aspects is known as retrofitting..........

What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

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how df/dt relay operates & how it works?

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what is isolation Transformer?

8 Answers   HP,

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how to calculate optimum loading for transformer?

6 Answers  

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How to find Cable size? Caterpillar generator produce (Two generators) 127*2=254 amp at 11 kv . What would be the cable size (XLPE) to supply 256 amp at 11 kv? Air or surrounding Temperature is 32 degree C. Cable will go under ground at 2.5 feet depth. Group Rating Factors is 3 cables. Clearance between cables is 7 cm. Soil Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2 K.m/W I would like to use 3 separate single core instead of using 3 core cable. Some says I should use three separate single core 120RM cables. Some says 70RM .some says 95. I m totally confused. Is there ant specific rule to determine cable size? What would be the LT cable size to flow 500 Amp current? Ifte My e mail address is ifte13@yahoo.com Anyone please send me the answer to my e mail address, i will be very glad.

1 Answers  

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why we use Bus earth truck and Cable earth truck

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1amps current equal to howmany electrons to be flowed?

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what types of load we get from the national grid? is this capacitive or inductive?

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What is diffrence bitween electrical and electronics ?

4 Answers  

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What is the classification of hydro projects based on installed capacity?

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sir, iam ramya.... from the discipline of E.E.E appearing for jindal exam .sir, could you please send me the modal papers of recent jindal steel exam.

1 Answers  

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what should be the BDV value Of 11/132kv power transformer

3 Answers  

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